Util-Ui error

Resolved

(@acp72)

Hi,

I am having a problem with W3 Total Cache – I had this error report forwarded to me. When I access the admin area, the W3 Total Cache pages are blank. The cache was working, but could be purged and wouldn’t update either.

Thanks

Andy

WordPress version 6.7.1

Active theme: Neve (version 3.8.16)

Current plugin: W3 Total Cache (version 2.8.1)

PHP version 8.3.6

Error Details

=============

An error of type E_ERROR was caused in line 1546 of the file /var/www/acp.tld/wp-content/plugins/w3-total-cache/Util_Ui.php. Error message: Uncaught Error: Class "DOMDocument" not found in /var/www/acp.tld/wp-content/plugins/w3-total-cache/Util_Ui.php:1546

Stack trace:

#0 /var/www/acp.tld/wp-content/plugins/w3-total-cache/inc/options/common/top_nav_bar.php(163): W3TC\Util_Ui::get_allowed_html_for_wp_kses_from_content()

#1 /var/www/acp.tld/wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php(388): require('...')

#2 /var/www/acp.tld/wp-includes/class-wp-hook.php(324): W3TC\Generic_Plugin_Admin->top_nav_bar()

#3 /var/www/acp.tld/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()

#4 /var/www/acp.tld/wp-includes/plugin.php(517): WP_Hook->do_action()

#5 /var/www/acp.tld/wp-admin/admin-header.php(303): do_action()

#6 /var/www/acp.tld/wp-admin/admin.php(239): require_once('...')

#7 {main}

Viewing 3 replies - 1 through 3 (of 3 total)

Plugin Contributor Marko Vasiljevic
(@vmarko)

1 year, 5 months ago
Hello @acp72

Thank youj for reaching out and I am happy to help!

Can please share when you started to experience this? Have you made any recent updates with the php or server?
Create an empty PHP file phpinfo.php and

add the following line of code:
```
<?php

phpinfo( );

?>
```
in it, look at it in a browser added to your website URL. https://yourwebsite.com/phpinfo.php

Check if you can spot –disable-dom in the configuration options and/or if you can see details about the DOM extension in the list below.

If you cannot see DOM in the list or you see it is disabled, your PHP installation does not include the DOM extension. You’ll need to recompile your PHP installation from source to remedy that.

You need to install the DOM extension. You can do so on Debian / Ubuntu using:
```
sudo apt-get install php-dom
```
And on Centos
```
yum install php-xml
```
If you get conflicts between PHP packages, you could try to see if the specific PHP version package exists instead

I hope this helps!

Thanks!
Thread Starter acp72
(@acp72)

1 year, 5 months ago

Thanks for your help. It was a new environment which needed

apt-get install php8.3-xml

All seems to be working now

Plugin Contributor Marko Vasiljevic
(@vmarko)

1 year, 5 months ago

Hello @acp72

You are most welcome!

We would really appreciate it if you could take a minute and post a review here. This will help us to continue offering a top-notch product to users.
Thanks!

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Util-Ui error’ is closed to new replies.